unity find objects with tag

GameObject.FindGameObjectsWithTag("Enemy");

GameObject.FindWithTag("Enemy");

//Find a single game object
GameObject.FindWithTag("TagName");

//Find multiple game objects from tag 
GameObject.FindGameObjectsWithTag("TagName");

GameObject[] arrayGo = GameObject.FindGameObjectsWithTag("myTag");

yourObjects = GameObject.FindGameObjectsWithTag("Respawn");

string enemyTag = "Enemy";
Enemies = GameObject.FindGameObjectsWithTag(enemyTag);

if(FindGameObjectsWithTag(Player){
  Debug.Log("FoundPlayer")
  }